mirror of https://github.com/djcb/mu.git
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
/*
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** Copyright (C) 2021-2023 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#ifndef MU_XAPIAN_UTILS_HH__
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#define MU_XAPIAN_UTILS_HH__
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#include <xapian.h>
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#include <glib.h>
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#include "mu-result.hh"
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namespace Mu {
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// LCOV_EXCL_START
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// avoid exception-handling boilerplate.
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template <typename Func> void
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xapian_try(Func&& func) noexcept
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try {
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func();
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} catch (const Xapian::Error& xerr) {
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g_critical("%s: xapian error '%s'", __func__, xerr.get_msg().c_str());
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} catch (const std::runtime_error& re) {
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g_critical("%s: runtime error: %s", __func__, re.what());
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} catch (const std::exception& e) {
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g_critical("%s: caught std::exception: %s", __func__, e.what());
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} catch (...) {
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g_critical("%s: caught exception", __func__);
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}
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template <typename Func, typename Default = std::invoke_result<Func>> auto
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xapian_try(Func&& func, Default&& def) noexcept -> std::decay_t<decltype(func())>
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try {
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return func();
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} catch (const Xapian::DocNotFoundError& xerr) {
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return static_cast<Default>(def);
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} catch (const Xapian::Error& xerr) {
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g_warning("%s: xapian error '%s'", __func__, xerr.get_msg().c_str());
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return static_cast<Default>(def);
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} catch (const std::runtime_error& re) {
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g_critical("%s: runtime error: %s", __func__, re.what());
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return static_cast<Default>(def);
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} catch (const std::exception& e) {
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g_critical("%s: caught std::exception: %s", __func__, e.what());
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return static_cast<Default>(def);
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} catch (...) {
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g_critical("%s: caught exception", __func__);
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return static_cast<Default>(def);
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}
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template <typename Func> auto
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xapian_try_result(Func&& func) noexcept -> std::decay_t<decltype(func())>
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try {
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return func();
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} catch (const Xapian::Error& xerr) {
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return Err(Error::Code::Xapian, "%s", xerr.get_error_string());
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} catch (const std::runtime_error& re) {
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return Err(Error::Code::Internal, "runtime error: %s", re.what());
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} catch (const std::exception& e) {
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return Err(Error::Code::Internal, "caught std::exception: %s", e.what());
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} catch (...) {
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return Err(Error::Code::Internal, "caught exception");
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}
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// LCOV_EXCL_STOP
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} // namespace Mu
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#endif /* MU_ XAPIAN_UTILS_HH__ */
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